Ceiling fan



FIG. 1 is a perspective view of a ceiling fan in accordance with my design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a left-side elevation view thereof, the opposite side being a mirror image of that shown; and,

FIG. 5 is a front elevation view thereof, the opposite side being a mirror image of that shown.

The broken lines in the drawings illustrate portions of the ceiling fan that form no part of the claimed design. 

CLAIM The ornamental design for a ceiling fan, as shown and described. 